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Zhou, Zihan; Jiang, Jie; Cai, Yi-Fu; Sasaki, Misao3,4,5; Pi, Shi3,6
Primordial black holes and gravitational waves from resonant amplification during inflation
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe present a new realization of the resonant production of primordial black holes as well as gravitational waves in a two-stage inflation model consisting of a scalar field phi with an axion-monodromy-like periodic structure in the potential that governs the first stage and another field chi with a hilltoplike potential that dominates the second stage. The parametric resonance seeded by the periodic structure at the first stage amplifies the perturbations of both fields inside the Hubble radius. While the evolution of the background trajectory experiences a turn as the oscillatory barrier height increases, the amplified perturbations of chi remain as they are and contribute to the final curvature perturbation. It turns out that the primordial power spectrum displays a significant resonant peak on small scales, which can lead to an abundant production of primordial black holes. Furthermore, gravitational waves are also generated from the resonantly enhanced field perturbations during inflation, the amplitude of which may be constrained by future gravitational wave interferometers.
2020
ISSN2470-0010
Volume102Issue:10Pages:103527
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.102.103527
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27442
CollectionSCI期刊论文
Affiliation1.Univ Sci & Technol China, Sch Phys Sci, Dept Astron, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, CAS Key Lab Res Galaxies & Cosmol, Hefei 230026, Anhui, Peoples R China
3.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
4.Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
5.Kyoto Univ, Yukawa Inst Theoret Phys, Ctr Gravitat Phys, Kyoto 6068502, Japan
6.Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan
7.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Zihan,Jiang, Jie,Cai, Yi-Fu,et al. Primordial black holes and gravitational waves from resonant amplification during inflation[J]. PHYSICAL REVIEW D,2020,102(10):103527.
APA Zhou, Zihan,Jiang, Jie,Cai, Yi-Fu,Sasaki, Misao,&Pi, Shi.(2020).Primordial black holes and gravitational waves from resonant amplification during inflation.PHYSICAL REVIEW D,102(10),103527.
MLA Zhou, Zihan,et al."Primordial black holes and gravitational waves from resonant amplification during inflation".PHYSICAL REVIEW D 102.10(2020):103527.
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